1012101003 has 12 divisors (see below), whose sum is σ = 1462224400. Its totient is φ = 674595216.

The previous prime is 1012100977. The next prime is 1012101011. The reversal of 1012101003 is 3001012101.

It is not a de Polignac number, because 1012101003 - 2⁶ = 1012100939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012101043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54450 + ... + 70632.

Almost surely, 2^1012101003 is an apocalyptic number.

1012101003 is a deficient number, since it is larger than the sum of its proper divisors (450123397).

1012101003 is a wasteful number, since it uses less digits than its factorization.

1012101003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23138 (or 23135 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1012101003 is about 31813.5349026165. The cubic root of 1012101003 is about 1004.0175057000.

Adding to 1012101003 its reverse (3001012101), we get a palindrome (4013113104).

The spelling of 1012101003 in words is "one billion, twelve million, one hundred one thousand, three".